For general questions on heating in your home.

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1answer
91 views

why does my heat pump wiring diagram show 7 wires going to the thermostat but the thermostat only says it needs 5?

Here is a link to the wiring diagram for my heat pump. The thermostat that I am planning on buying has the following terminals C, G, Y, O/B, RC, R, Aux, E, and L. The instructions say to jump the RC ...
2
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1answer
2k views

What should I do about this Alpha HE CB33 Boiler pressure error condition?

I have an alpha he cb33 boiler which has stopped working this morning. Yesterday I removed a radiator for cleaning then put it back on and re-pressurised the system. It was working ok last night. ...
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1answer
22 views

Underfloor solar heating

My family has a property in Portugal with a broken old solar water heater mounted on the roof. We've been using the immersion heater instead of the solar panel for a while now, but rising energy costs ...
1
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1answer
123 views

Does our main air intake need an electrostatic filter if our furnace already has one?

We have an electrostatic filter on our furnace right where in main air intake connects. We recently had our ducts cleaned and they told us we also needed to have our main air intake cleaned (an extra ...
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6answers
1k views

How can I stop Lego bricks from falling in to a register?

My kids like to play with Lego bricks on the floor, and sometimes a small piece will fall in to a heating register. Sometimes I can pull them out, but usually they fall too far, and there are sharp ...
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1answer
103 views

Why are only 2 of the 14 posts in my radiator heating up?

I recently changed from oil heat to gas. All the radiators work in my 2 story home except for one on the first floor, which heats 2 out of the 14 posts. I changed the valve, which didn't work. Then I ...
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0answers
42 views

Covering Up A Large Gap In A Wall

I was looking for advice on how could i create a partition between my two rooms which have a huge frame in between them. The place was originally covered by curtains but putting up curtains on the ...
0
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1answer
47 views

Outside unit fan not running

we recently had an ice storm in the DFW area. Our outside unit is in a shady area that hasn't completely thawed out yet. Therefore, we have significant ice around the unit (and even inside) that ...
0
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1answer
102 views

Why does the blower in the attic vibrate during heating when it is really cold?

We have a Carrier heat pump system in our home, and the blower is located in the attic. When it is especially cold, the blower runs on high (there are three levels: high, medium, low). During this ...
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3answers
2k views

Why is my Central Heating taking so long to heat up?

I'm in the UK with a small modern, well insulated, double glazed home heated by a traditional gas boiler. My heating had been achieving room stat temperature within 30 minutes but is now taking at ...
0
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1answer
35 views

Is this pipe layout acceptable?

We recently had our heater and air conditioner replaced, and now the drainage pipe is installed on the floor of the basement. It's quite annoying and it wasn't like that before (it was on the walls ...
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1answer
33 views

some baseboard heaters not working while others are in same zone

I have three heating zones (forced hot water in baseboards) in my house. On the top floor, one zone controls all the baseboard heaters on that floor. None of the baseboards on one side of the house in ...
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1answer
133 views

What does the low limit do, and where should it be set on an oil fired hot water furnace?

What does the low limit do, and where should it be set? My furnace has a honeywell triple aquastat relay and has a difference dial. Water temp is about 190 deg F. Also, water psi gauge is only ...
0
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1answer
161 views

Can I replace this Airwell thermostat?

I am in market to replace my simple A/C control unit with one that integrates with home my z-wave based home automation system. However, before I make the splash and buy a compatible thermostat, I ...
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1answer
33 views

only hot water is wanted?

I have a switch near my boiler (apt) for turning on my heating, Above that I have a standered switch for heating water only. This system was installed 10 years ago, everything was working, until ...
11
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2answers
10k views

What are the pros and cons of installing a roof heating cable?

Had some roof work done last year after mother nature abused my house by way of an errant tree branch. I had always suspected my roof had poor ventilation, most notably when I wound up with a 200 lb ...
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2answers
218 views

Will running out of fuel oil damage my tank?

My home heating oil is very low. I have 2 questions: 1. If I run out of heating oil can my tank/ furnace become damaged? 2. Can I use diesel fuel until I am ready to fill my tank?
14
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4answers
9k views

Why don't programmable thermostats automatically switch between “Cool” and “Heat”?

While I can set my house to be a particular temperature, I still have to manually switch it between "Heat" and "Cool" mode, and this seems to be true of every thermostat (programmable or not) that ...
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0answers
14 views

Runtal vs standard fin baseboard readiators?

Bathroom remodel. Thinking of replacing the standard fin baseboard with a small runtal unit, specifically this one: ...
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5answers
8k views

What type of electric heating system is the most energy efficient?

I am about to buy a flat that hasn't got any central heating system. There's no way to use gas heating. The only way to produce heat is by converting Electricity. The flat at the moment has some ...
0
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0answers
24 views

Economy 7 single element immersion heater

I just start renting a property which has electric heating. It runs on a type of economy 7 tariff. Just before I moved in the landlord fitted a new immersion heater replacing the old one. The ...
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0answers
41 views

Will a single ductless mini-split heat pump be able to distribute its air evenly throughout my ranch house?

I am in the middle of a deep energy retrofit of my house, and a quick-and-dirty online manual J calculation of the projected loads once my projects are completed shows an estimated heating and cooling ...
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1answer
143 views

We have a Chromalox EDB-20-1 hot water furnace, and it sounds like a flowing stream whenever the water flows through the house

The pressure is fine (15 psi) and it heats the house fine. I would think the water needs topping up except for the fact the pressure is optimal. Any thoughts on what I can check/do? The sound is ...
1
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1answer
50 views

Why does my Thermo Pride oil furnace need constant restarts?

We have a Thermo Pride oil furnace that requires frequent restarts to run. We just purchased the house and had the annual service/safety check completed as it was neglected for several years. When the ...
0
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0answers
20 views

Boiler clanking noise

I woke up this morning to a really loud clanking noise from our boiler. It is a newer gas boiler installed in 2007. There are two Taco circulators 007-F5-71FC for first floor and second floor. I ...
6
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2answers
17k views

What is difference between BTU and MBH for house furnaces?

When selecting a new house furnace most calculators display results as BTUs (based on the square footage, number of levels, estimated temperature, etc). What's interesting is that most new furnaces ...
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3answers
356 views

What is a reasonably economical way to heat a basement bathroom?

I have a basement bathroom (roughly 8' x 4') that corners two outside walls, and has no heat vent. Months like this it's ice cold. I'd like to heat it up, just not sure how, outside of running a space ...
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1answer
62 views

What is this part of the heating system, and how can I stop it from leaking?

I bought a quite old house, and I found on the attic a thing that's part of the central heating, and it's leaking water. Not a lot, but enough to soak through to the floor below. Pictures: . I ...
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1answer
64 views

Can I change my standard thermostat to a Wifi one?

I have a (quite standard) TR-010X T6360A thermostat that looks like this: And this is the wiring diagram: Can I install the Heatmiser PRT-TS WiFi Touchscreen Programmable Thermostat? This is the ...
1
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1answer
18 views

Converting two-vent fireplace insert into one-vent: how much combustion air access does it need?

We recently took out a woodburning stove and are replacing it with a propane insert. The insert is set for a 2-pipe direct vent configuration (one for combustion air, one for exhaust). Our contractor ...
0
votes
2answers
49 views

Heat pump vs gas efficiency and comfort [closed]

I'm looking for a house to buy in the South Carolina low country, where average lows in January get down to just under 40 deg F and highs in the summer get to just over 90 deg F. The houses in that ...
1
vote
1answer
39 views

What are the consequences of incorrect positioning of air separator (and swapped return/flow) in solar heating system?

I've moved into a house that has a Vaillant Solar system for helping heat the water. We had various issues that resulted in a Vaillant engineer visiting, who pointed out various problems, including a ...
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2answers
154 views

What to do about different rooms in the house being a completely different temperature?

I moved into a 30 year old home last December. There is a problem with the HVAC. I have included a very crude drawing of the floor plan The problem is that I can't maintain a comfortable ...
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0answers
38 views

Are wall air vents a potential problem?

A house I'm looking at has A/C vents in the walls, rather than in the ceiling or floor. I've never lived in a house with air ducts in the walls. Can I expect to have problems? The house was built in ...
0
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0answers
54 views

Using 1" black iron pipe as a hydronic radiator, how many feet of pipe would I need to heat a 500ft^3 room?

I guess industrial is hip these days. Or maybe it's just me. But I'm thinking of making a snaking heater/towel warmer for my bathroom remodel. How many feet would I need, and how is this calculated? ...
0
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1answer
27 views

Problems with oil furnace

Why does my oil furnace keep triping reset after 10 sec of running i have to have thermostat all way up for it to run i changed primary control box, nozzel, electrodes and thermostat any ideas
1
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1answer
41 views

How to install thermostat with plug in heater?

My house has three electric wall heaters in different rooms used to augment the gas forced air that heats the whole house. These electric heaters are mounted on the wall, but plug into standard 120v ...
0
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2answers
37 views

How often should heat strip turn on for a heat pump unit?

I have noticed my heating bill is higher than my cooling bill now that I have installed a Heat Pump. I am trying to find a way to reduce this winter cost but am not sure how often electrical heat ...
0
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2answers
83 views

Why does my furnace drip bucket fill up so frequently?

We have an oil furnace that heats the house using a two-zone hot-water circuit, and also acts as an on-demand hot water heater. There is a pipe coming off the collection of pipes coming out of it that ...
0
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2answers
57 views

Hot water heating system: Renew or replace?

Our home was built around 1963 and has Gas powered Hot water based heating, some portion of the house is floor heated and some with radiators emitting heat from hot water. The heater may be 10-12 ...
0
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0answers
53 views

Why is my heat not shutting off at the set temperature?

When I turn the heat on on my central heat and air unit, the heat came on then continued to run getting really hot. It would not shut off unless I turned from auto to on then back. Sometimes I had to ...
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vote
2answers
123 views

At what temperature does a WiFi thermostat stop sending a signal to the router?

I recently purchased and installed a Honeywell WP6500 WiFi thermostat and thanks to Stack Exchange, got it up and running. I have a house in New Hampshire, which I use occasionally during the winter. ...
3
votes
5answers
11k views

Why does my furnace need frequent power resets?

I have a NOMA Programmable thermostat attached to my furnace. The set point is usually around 21 degrees, and the room temperature is reading around 17 degrees. The furnace is not coming on. ...
0
votes
1answer
38 views

is my baseboard heating unit malfunctioning

I have a "finished" room in my basement that is maybe 10' x 16'. It has a baseboard heater that is perhaps 10-12' running along one wall. My problem is that right now the room's temperature will not ...
3
votes
3answers
268 views

Can I shut off the cold water supply to an oil furnace while away on vacation?

I have a hot water baseboard oil fired system. I am going away for a while and would like to shut off the cold supply to all the house in case of a water leak. If I leave the furnace on to heat the ...
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0answers
53 views

Diagnosing boiler problem. Strange noise and pressure released

Woke up to a loud almost grinding noise coming from all the radiators/pips in my hot water heating system. It's intermittent, every few seconds but the system is generally running louder than normal. ...
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3answers
2k views

Why does my central heating unit continue to run after reaching its set temperature?

Why will the central heating unit continue to run after reaching the set temperature? It does not read that it is reaching a higher temperature, it just continues to run at the reached temperature ...
1
vote
1answer
105 views

What to do first in a house with poor thermal performance and high energy bills

I just moved into a house and am a little bit disappointed in its thermal performance so far. It's winter and cold outside, and the furnace heats the house up pretty quickly, but then the house gets ...
0
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2answers
49 views

Metering gas used for heating water in a multi-dwell building with one boiler

I rent in a multi-dwell building. We are not directly charged for hot water but trying to figure out if we are indirectly charged via the Con-Ed gas bill. Is it possible to meter gas usage for the ...
0
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0answers
64 views

Hot water baseboard heater, one zone is cold

I have a hot water baseboard heating system. I have 4 zones controlled by 4 thermostats. The basement is cold. I installed a new zone valve for that area and it is still cold. I bled the zone of ...